adjust closing speed

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The hydraulic closer underneath the control box has 3 regulating valves (like any 4040 series hydraulic closer). Main Speed - adjust closing speed from 90° open down to 10°. Latch Speed - adju...
  The regulation valves are designed to adjust the flow the hydraulic fluid in the closer which regulates the door closing speed through various phases of the closing cycle. The regulati...
Regular LCN closers have "3" regulating valves for General Speed, Latch Speed, and Backcheck. If the LCN closer has "4" regulating valves, then the closer has the Delayed Action feature. De...
This condition can be caused by the "closing speed adjustment" being regulated for a fast closing speed. Try adjusting the closing speed to slow down the closing of the door. If that does not corre...
  How to:  What are the steps to adjust a door closer?   Facts: All LCN and FALCON door closers will have 3 regulating valves and a spring adjustment.  All cl...
With the SUS connected to the AD400, in the EDIT tab there are radio communication settings "FIRST/DELAY/RETRY." FIRST - Is the first delay after the initial transmission of credential data, befor...
AD400 factory default settings when shipped are FIRST = 300 (m sec), DELAY = 200 (m sec) and RETRY = 5  
To change FIRST/DELAY/RETRY connect and couple the SUS/HHD to the AD400 and find under the EDIT tab the FIRST/DELAY/RETRY settings. See notes Or connect the SUS/HHD t...
power adjustment, spring adjustment